<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
		<style>
			#qwe{
				width: 200px;
				height: 200px;
				background: red;
			}
		</style>
	<body>
		<div id="qwe"></div>
		<script type="text/javascript">
		/*let qwe = document.getElementById("qwe");
		qwe.addEventListener("click",function(){
			let _this=this;
			setTimeout(function(){
			qwe.style.background='pink';	
			},2000);
		});*/
	/*	let qwe = document.getElementById("qwe");
		qwe.addEventListener("click",function(){
			let _this=this;
			setTimeout(function(){
			_this.style.background='pink';	
			},2000);
		});*/
		/*let qwe = document.getElementById("qwe");
		qwe.addEventListener("click",function(){*/
		/*	let _this=this;*/
			/*setTimeout(()=>{
			this.style.background='pink';	
			},2000);
		});*/
		const arr=[2,8,7,6,9];
	function ouo(ou){
		return ou%2===0;
	}
	alert(arr.filter(ouo));
	
		</script>
	</body>
</html>
